VIDEOS:
Shepard's Clone is an Ass
It turns out Cerberus had in fact made a clone of Commander Shepard for 'spare parts.' Unlike the original Shepard, this clone is an asshole (even by Renegade standards). He thinks he's superior the commander, claims to not have any emotional baggage, and even cruelly mocks Shepard's companions. And now he wants to take the commander's place.
Example of:
Evil Knockoff